1151179081 has 8 divisors (see below), whose sum is σ = 1251319104. Its totient is φ = 1052694480.

The previous prime is 1151179067. The next prime is 1151179091. The reversal of 1151179081 is 1809711511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1151179081 - 2¹⁹ = 1150654793 is a prime.

It is a super-2 number, since 2×1151179081² = 2650426553064009122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151179061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412405 + ... + 415186.

It is an arithmetic number, because the mean of its divisors is an integer number (156414888).

Almost surely, 2^1151179081 is an apocalyptic number.

It is an amenable number.

1151179081 is a deficient number, since it is larger than the sum of its proper divisors (100140023).

1151179081 is a wasteful number, since it uses less digits than its factorization.

1151179081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827711.

The product of its (nonzero) digits is 2520, while the sum is 34.

The square root of 1151179081 is about 33929.0300627648. The cubic root of 1151179081 is about 1048.0474919842.

The spelling of 1151179081 in words is "one billion, one hundred fifty-one million, one hundred seventy-nine thousand, eighty-one".